Add initial skeleton of the plain socket wrapping 'NetworkConnection' class--it is not yet used though.

git-svn-id: svn+ssh://oldsvn/home/mlalondesvn/svn/cral@101 3ee9b42a-b53c-0410-a25e-f0b6218d5d5b

branches/follower/wiz810mj/src/demo/WizDemo4/WizDemo4.pde

@@ -215,12 +215,45 @@ void Wiz810MjDevice::setMac(byte b0, byte b1, byte b2, byte b3, byte b4, byte b5
 
 /* ----------------------- */
 
+/* ---- NetworkConnection ---- */
+
+
+// TODO: Make this 'NetworkServerConnection'? Or just 'ServerConnection'?
+class NetworkConnection { // Essentially a Socket wrapper
+
+  public:
+    NetworkConnection(uint8_t port); // TODO: Add UDP, TCP choice?
+
+    void listen(); // TODO: Return a useful value?
+
+  private:
+    SOCKET _socket;
+};
+
+NetworkConnection::NetworkConnection(uint8_t port) {
+  /*
+
+   */  
+  socket(_socket, Sn_MR_TCP, port, 0);
+}
+
+void NetworkConnection::listen() { // TODO: Make private or protected?
+  /*
+
+   */  
+  ::listen(_socket); // TODO: Use C++ namespaces for the driver functions?
+}
+
+/* ----------------------- */
+
 /* --  NetworkInterface -- */
 
 class NetworkInterface {
   
   public:
     NetworkInterface(Wiz810MjDevice& networkDevice);
+    
+    NetworkConnection listen(uint8_t port);
 
     Wiz810MjDevice& device; // TODO: Make this a generic "network device" interface
 };
@@ -247,11 +280,24 @@ NetworkInterface::NetworkInterface(Wiz810MjDevice& networkDevice) : device (netw
    
 };
 
+NetworkConnection NetworkInterface::listen(uint8_t port) {
+   /*
+  
+  
+      Returns a NetworkConnection listening on the specified TCP port.
+  
+    */
+    NetworkConnection connection = NetworkConnection(port);
+    
+    connection.listen();
+    
+    return connection;
+}
+
 // NetworkInterface Network = NetworkInterface(...); // TODO: Make this a global
 
 /* ----------------------- */
 
-
 // #define PIN_RESET 9 // WIZnet module /RESET
 
 #define PIN_RESET 8 // WIZnet module /RESET